1SET @start_value = @@GLOBAL.innodb_sched_priority_purge; 2SELECT @@GLOBAL.innodb_sched_priority_purge; 3@@GLOBAL.innodb_sched_priority_purge 419 5SELECT @@SESSION.innodb_sched_priority_purge; 6ERROR HY000: Variable 'innodb_sched_priority_purge' is a GLOBAL variable 7SET GLOBAL innodb_sched_priority_purge=19; 8SELECT @@GLOBAL.innodb_sched_priority_purge; 9@@GLOBAL.innodb_sched_priority_purge 1019 11SET GLOBAL innodb_sched_priority_purge=5; 12SELECT @@GLOBAL.innodb_sched_priority_purge; 13@@GLOBAL.innodb_sched_priority_purge 145 15SET GLOBAL innodb_sched_priority_purge=0; 16SELECT @@GLOBAL.innodb_sched_priority_purge; 17@@GLOBAL.innodb_sched_priority_purge 180 19SET GLOBAL innodb_sched_priority_purge=-1; 20Warnings: 21Warning 1292 Truncated incorrect innodb_sched_priority_purge value: '-1' 22SELECT @@GLOBAL.innodb_sched_priority_purge; 23@@GLOBAL.innodb_sched_priority_purge 240 25SET GLOBAL innodb_sched_priority_purge=1.1; 26ERROR 42000: Incorrect argument type to variable 'innodb_sched_priority_purge' 27SET GLOBAL innodb_sched_priority_purge=1e1; 28ERROR 42000: Incorrect argument type to variable 'innodb_sched_priority_purge' 29SET GLOBAL innodb_sched_priority_purge='foo'; 30ERROR 42000: Incorrect argument type to variable 'innodb_sched_priority_purge' 31# restart 32